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Finding the Fourth Proportional to 2,607.62, 3,596.60 and 1,899.68

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Solution

The fourth proportional to 2,607.62, 3,596.60 and 1,899.68 is: 2,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.62 : 3,596.60 = 1,899.68 : x
  2. Step 2: Convert to fraction form
    2,607.62/3,596.60 = 1,899.68/x
  3. Step 3: Cross multiply
    2,607.62x = 3,596.60 × 1,899.68
  4. Step 4: Simplify right side
    2,607.62x = 6,832,375.85
  5. Step 5: Solve for x
    x = 6,832,375.85/2,607.62
  6. Step 6: Final answer
    x = 2,620.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.